Delta Electronics SMT Power Inductor SILM4018L - Manual

RoHS compliant.
Low profile(1.8mm max. height) SMD type.
Magnetically shielded, suitable for high density mounting.
Self-leads ,suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Idel for power source circuits, DC-DC converter, DC-AC inverters
inductor applications.
In addition to the standard versions shown here, customized inductors
are available to meet your exact requirements.
Features
52
25 : 100KHz, 0.1V O C
0.00 0.01 0.10 1.00 10.00
CURRENT (A)
1.00
10.00
100.00
IN
D
U
C
T
A
N
C
E
(u
H
)
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
3R3
SMT Power Inductor
SILM4018L Type
Electrical Characteristics :
SILM4018L - 3R3 3.3 66 0.80 2.00
SILM4018L - 3R9 3.9 81 0.75 1.75
SILM4018L - 4R7 4.7 91 0.68 1.72
SILM4018L - 5R6 5.6 102 0.62 1.64
SILM4018L - 6R8 6.8 130 0.58 1.30
SILM4018L - 8R2 8.2 140 0.51 1.28
SILM4018L - 100 10.0 190 0.46 1.07
SILM4018L - 120 12.0 205 0.42 0.98
SILM4018L - 150 15.0 272 0.38 0.87
SILM4018L - 180 18.0 327 0.34 0.76
SILM4018L - 220 22.0 356 0.31 0.66
SILM4018L - 270 27.0 470 0.28 0.60
SILM4018L - 330 33.0 560 0.26 0.55
SILM4018L - 390 39.0 700 0.24 0.47
SILM4018L - 470 47.0 775 0.21 0.45
1. Tolerance of inductance : 30%.
2. Isat is the DC current which cause the inductance drop 35% typical of its nominal inductance without current.
3. Ir is the DC current which cause the surface temperature of the part increase less than
4.Operating temperature : -20
to 105 (including self-temperature rise).
o 45 C.
o o C C.
3 2 Isat
(Adc)
Ir
(Adc)
PART NO.
DCR
(m ) MAX
1 L
(uH)
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
B
D
E
A
F
C
Mechanical Dimension :
UNIT:mm/inch
A = 4.0 / 0.157 Max.
B = 4.0 / 0.157 Max.
C = 1.8 / 0.071 Max.
D = 4.8 / 0.189 Max.
E = 2.9 / 0.114
F = 1.0 / 0.039
RECOMMENDED PAD PATTERNS
2.2
1.7
5.4